Seagate ULTRA ATA ST320423A - Manual (Page 11)

U10 Family Product Manual, Rev. A 3
Full-stroke seek time
(msec typical)
23.0 (read) 25.0 (write)
Average latency (msec) 5.56 msec
Power-on to ready
(sec typical)
10 sec
Standby to ready
(sec typical)
10 sec
Spindown (sec typical) 10 sec
Startup current
(typical) 12V (peak)
1.5 amps
Seek power (typical) 7.0 watts
Read/Write power 6.5 watts
Idle mode (typical) 3.5 watts
Standby/Sleep mode (typical) 0.8 watts
Voltage tolerance
(including noise)
5V
±
5%, 12V
±
10%
Ambient temperature 0° to 60°C (op.), –40° to 70°C (nonop.)
Temperature gradient
(°C per hour max)
20°C
Relative humidity
(op. and nonop.) 5% to 90% (op.)
5% to 95% (nonop.)
Relative humidity, gradient 30% per hour max
Wet bulb temperature (°C max) 29.4 (op.), 40.0 (nonop.)
Altitude, operating –61 m to 3,048 m (–200 ft to 10,000 + ft)
Altitude (meters below mean sea
level, max)
–122 m to 12,192 m (–400 ft to 40,000 + ft)
Shock, operating
(Gs max at 2 msec)
63
Shock, nonoperating
(Gs max at 2 msec)
350 Gs
Vibration, operating 0.5 Gs (0 to peak, 5–350 Hz)
Vibration, nonoperating 5 Gs (0 to peak, 5–350 Hz)
Drive acoustics
Sound power in bels (10.5 msec)
Idle mode
Seek mode
3.2 (typical), 3.6 (max)
3.5 (typical), 3.9 (max)
Drive Specification ST320423A ST315323A ST310212A